Yamaha Motor India — Engine noise issue

Address:

Tamilnadu, chennai 62 , Avadi , Yamaha elite motors .

Hi iam Akash form chennai ihave a issue with my yamaha R15 v3 with engine the engine makes noise at @7000 RPM and VVA is not working and automatically bike off .. and I went to the showroom on Nov 28 and told about the issue and he gaves my bike bike after 2 days but my problem was not solved iasked to resolve the issue but the showroom was not responding me and shouted me